1487143 has 8 divisors (see below), whose sum is σ = 1799712. Its totient is φ = 1199616.

The previous prime is 1487131. The next prime is 1487159. The reversal of 1487143 is 3417841.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1487143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1487113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6130 + ... + 6367.

It is an arithmetic number, because the mean of its divisors is an integer number (224964).

2^1487143 is an apocalyptic number.

1487143 is a deficient number, since it is larger than the sum of its proper divisors (312569).

1487143 is a wasteful number, since it uses less digits than its factorization.

1487143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12521.

The product of its digits is 2688, while the sum is 28.

The square root of 1487143 is about 1219.4847272516. The cubic root of 1487143 is about 114.1434277621.

The spelling of 1487143 in words is "one million, four hundred eighty-seven thousand, one hundred forty-three".